Ninja ZX-25R SE
Kawasaki
| 1st gear ratio | 2.928 (41/14) |
| Bore x stroke | 50.0 mm x 31.8 mm |
| Color (2026 JP) | Metallic Matte Graphite Gray × Metallic Spark Black |
| Compression ratio | 12.5:1 |
| Country of manufacture | Thailand |
| Dimensions (L×W×H) | 1,980 × 750 × 1,110 mm |
| Engine | Liquid-cooled 4-stroke inline-4, DOHC 16-valve |
| Front brake | Single semi-floating disc 310 mm, radial-mount monoblock opposed 4-piston caliper, ABS |
| Front suspension | ø37 mm inverted fork (SFF-BP) with preload adjuster |
| Front tyre | 110/70R17M/C 54H |
| Fuel economy (Japan 60 km/h) | 25.1 km/L (2-up) |
| Fuel economy (WMTC) | 18.1 km/L (Class 3-2, 1-up) |
| Fuel system | Fuel injection (ø30 mm x 4), electronic throttle valves |
| Fuel tank capacity | 15 L |
| Ground clearance | 125 mm |
| Ignition | Battery & coil (full transistor) |
| Kawasaki tech | KTRC traction control, KQS up/down quickshifter, power modes, assist & slipper clutch, smartphone connectivity, ABS |
| Lubrication | Forced lubrication, wet sump |
| MSRP (Japan, incl. tax) | ¥1,014,200 |
| Model code (Japan) | 8BK-ZX250H |
| Not sold in EU/US | No official MSRP for EU or US markets |
| Power (claimed) | 34 kW (46 PS) @ 16,000 rpm |
| Power with Ram Air | 35 kW (48 PS) @ 16,000 rpm |
| Primary reduction ratio | 2.900 (87/30) |
| Ram air | Central Ram Air intake |
| Rear brake | Single disc 220 mm, single-piston caliper, ABS |
| Rear suspension | Horizontal Back-link, gas-charged shock |
| Rear tyre | 150/60R17M/C 66H |
| Release date (Japan) | 2025-10-01 |
| Starter | Electric |
| Torque (claimed) | 21 N·m @ 12,500 rpm |
| Transmission | 6-speed, return |
| Wheelbase | 1,380 mm |
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Kawasaki Ninja ZX-25R SE (2026): The Screaming Inline-Four 250 Returns
The Kawasaki Ninja ZX-25R SE (2026) is a unicorn in today’s small-displacement world: a 250cc inline-four that howls to the stratosphere and rewards commitment like a mini supersport. For riders who crave high corner speeds, precise chassis feedback, and the addictive rush of a sky-high redline, the ZX-25R SE delivers big-bike feel in a compact, approachable package.
On Torquepedia, you’ll find the live spec sheet, historical comparisons, and rider-focused filters to see exactly how the 2026 SE stacks up against rivals.
Why the ZX-25R SE stands out in 2026
- High-revving 250cc inline-four with a redline around 17,000 rpm
- SE package with Kawasaki Quick Shifter (KQS), assist & slipper clutch, and premium trim
- Modern rider aids: Kawasaki Traction Control (KTRC), selectable power modes, and ABS
- Showa SFF-BP inverted front fork, Uni-Trak rear shock, and a radial-mount front brake caliper
- Trellis frame agility with everyday ergonomics and LED lighting
What’s new for 2026?
Market availability and trims can vary, but expect the 2026 model to continue Kawasaki’s incremental refinements—updated colorways/graphics, emissions compliance tweaks where applicable, and detail improvements to electronics or calibration. The core formula remains: a rare inline-four 250 that blends rev-happy character with approachable size and tech.
Tip: Torquepedia tracks regional updates and will reflect any 2026 market-specific changes as official data is published.
How it rides
- Engine character: Urges you to chase revs and corner exits; docile down low, electric up top.
- Chassis feel: Light steering with stout mid-corner stability thanks to the SFF-BP fork and well-damped rear.
- Braking: Confident bite and modulation from the radial-mount front setup, backed by ABS for mixed conditions.
- Daily duty: Manageable seat height, reasonable reach to the bars, and smooth fueling make it city-friendly—until you find a road worthy of 14k+ rpm.
SE vs. standard model
Depending on market, the SE typically adds:
- Kawasaki Quick Shifter (KQS)
- Cosmetic upgrades (smoked windscreen, graphics, rim tape)
- Convenience/protection items that may include sliders or a seat cowl
If you plan to ride spirited roads or occasional track days, the SE’s factory quick shifter and extras are worth the step-up.
Who is it for?
- Riders stepping up from 150–300cc singles/twins who want a sophisticated chassis and a real supersport learning platform.
- Experienced riders seeking a scalpel for tight backroads or circuits where momentum and precision matter more than displacement.
- Fans of classic high-revving fours who miss the soundtrack and feel of small-capacity screamers.
Cross-shop these alternatives
- Honda CBR250RR: Parallel-twin precision with modern electronics and a racy chassis.
- Yamaha YZF-R25: Friendly ergonomics and everyday usability.
- Kawasaki Ninja 400: More torque and broader accessibility if you prefer midrange over revs.
- Aprilia RS 457: A bigger, techy twin if your budget and license class allow.
Use Torquepedia’s advanced filters to compare weight-to-power, gearing, rake/trail, brake hardware, tire sizes, and rider aids across all rivals in seconds.
Pricing and availability
The ZX-25R SE’s availability is regional (historically focused on Asia and select markets). Pricing, colorways, and equipment can differ. Check your local Kawasaki distributor and the Torquepedia listing for verified regional details.
FAQs
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Is the 2026 ZX-25R SE good for track days? Yes—its high-revving motor, supportive suspension, and quick shifter make it a momentum machine that flatters smooth riders.
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What’s the main difference between the ZX-25R and ZX-25R SE? The SE typically adds KQS and premium trim items; core engine and chassis are shared. Market contents can vary.
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Does it have traction control and power modes? Yes, the ZX-25R platform features KTRC and selectable power modes, plus ABS for added confidence.
Ready to dive into the details?
View the full Kawasaki Ninja ZX-25R SE (2026) specs, colors, and regional trims on Torquepedia →
Pro tip: Use the Compare tool to line up the ZX-25R SE against the Ninja 400, CBR250RR, and more—filter by redline, final-drive ratios, brake rotor sizes, and electronics to find your perfect setup.